021期：大头龙{{02,03,08,12,13,15,17,19,20,22,23,25,26,27,28,31,32,34,35,36,37,39,42,48}}开：12有
022期：大头龙{{01,03,10,14,15,16,18,20,22,24,25,26,27,28,29,30,33,34,38,39,40,41,45,46}}开：34有
023期：大头龙{{01,04,05,06,10,11,16,21,22,23,26,28,29,31,33,34,37,41,42,43,44,47,48,49}}开：29有
024期：大头龙{{03,04,06,07,08,09,11,13,15,16,17,22,24,25,27,30,34,36,37,39,40,41,45,46}}开：45有
025期：大头龙{{01,02,06,08,09,10,13,17,18,19,20,27,28,32,33,34,35,37,38,41,43,44,48,49}}开：11无
026期：大头龙{{02,08,12,13,14,15,17,18,20,21,22,23,27,31,32,35,36,41,42,43,44,45,46,49}}开：31有
027期：大头龙{{02,03,04,06,09,10,13,16,17,23,25,29,30,32,33,36,38,40,42,45,46,47,48,49}}开：？？